EP4047397A1 - Radiology detection device - Google Patents
Radiology detection device Download PDFInfo
- Publication number
- EP4047397A1 EP4047397A1 EP22155698.8A EP22155698A EP4047397A1 EP 4047397 A1 EP4047397 A1 EP 4047397A1 EP 22155698 A EP22155698 A EP 22155698A EP 4047397 A1 EP4047397 A1 EP 4047397A1
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- EP
- European Patent Office
- Prior art keywords
- radiation
- detector device
- carriers
- phantom
- detector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims description 3
- 239000000969 carrier Substances 0.000 claims abstract description 43
- 230000005855 radiation Effects 0.000 claims abstract description 40
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 8
- 238000012512 characterization method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000005865 ionizing radiation Effects 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims 15
- 238000003491 array Methods 0.000 claims 1
- 238000001959 radiotherapy Methods 0.000 claims 1
- 229940125773 compound 10 Drugs 0.000 description 3
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 description 1
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- 230000003439 radiotherapeutic effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/169—Exploration, location of contaminated surface areas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/026—Semiconductor dose-rate meters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
- A61N2005/1076—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus using a dummy object placed in the radiation field, e.g. phantom
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1071—Monitoring, verifying, controlling systems and methods for verifying the dose delivered by the treatment plan
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
Definitions
- the invention relates to a radiation medical detector device with a detector arrangement.
- Detector devices with a detector arrangement are known in principle in the prior art. Such a detector device can be used, for example, in a phantom to determine or check a radiation dose or a patient plan. However, the detector device can also be used for measuring, in particular for symmetrical characterization and/or constancy testing, of a radiotherapeutic radiation device.
- the object of the invention is to improve such a detector device.
- the detector device is characterized in that the detector arrangement has more than two carriers which are arranged crossed with one another, and in that a detector field is arranged on each carrier. In this way, a detector array with many detectors can be easily manufactured. In addition, the detector arrangement can be more easily adapted for different resolutions and dimensions, for example by changing the number of carriers arranged crossed.
- the detectors of the detector fields are designed to determine the radiation dose of an ionizing radiation, preferably X-ray radiation.
- the carriers each have printed circuit boards. Electrical contacting can be carried out easily in this way.
- the carrier can be formed by the printed circuit board.
- crossed carriers interpenetrate and/or crossed carriers define a coincident detection area.
- the crossed supports are glued and/or plug-connected to one another and/or formed in one piece.
- the carriers have an insertion slot, which is preferably open on one side, into which another carrier with more than two carriers is inserted, in particular with one or its insertion slot.
- the carriers are plugged into one another lengthwise to the receiving carrier, that is to say lengthwise to the axis. In this way it can easily be achieved that the electronics are arranged at a common end of the detector arrangement.
- a mechanical and/or electrical slot is formed on a carrier, into which another carrier is inserted, preferably transversely to the receiving carrier. In this way, the detector arrangement is easy to assemble.
- the more than two carriers form a two-dimensional grid, in particular of two crossed groups of carriers, preferably aligned parallel to one another.
- carriers of one orientation of the lattice have long slits which extend essentially over the entire length of the carrier, with the carriers each having only a narrow, unslit region.
- the crossed carriers only have short slits; in particular, the slits are adapted to the unslit area of the other carriers, so that they can be plugged into one another. This has the advantage that the detectors can be easily distributed on the carriers.
- the unslit area is also at one end of the detector array so that electronics located on the carriers in this area can be easily shielded from radiation without creating a dead space from which direction no radiation can be measured.
- the at least two carriers intersect in a cutting line, in particular with the cutting line being aligned along an insertion direction of the slide-in unit.
- the carriers are electrically contacted on their end face oriented towards the or a direction of insertion of the insert.
- the carriers are each designed to be planar.
- the gaps between the carriers are or can be filled with a material, in particular the material between the carriers being exchangeable.
- a specific absorption rate can be set, for example one that is similar to the human body.
- the detector arrangement is arranged in a phantom, preferably as an in particular encapsulated insert.
- the phantom is irregularly shaped, in particular essentially replicated or approximated to the shape of a human head.
- the phantom has a regular shape, in particular the phantom being designed as a rhombicuboctahedron.
- the phantom is sized to match the size of a human head.
- the phantom is spatially fixed in the detector device.
- the phantom is non-deformable.
- the phantom has a water-like density and/or a water-like attenuation coefficient.
- the invention also includes a series of medical radiation detector devices, with at least two variants, each of which forms a medical radiation detector device according to the invention, the at least two variants having different outer contours and the detector arrangements being designed as slide-in units. In this way, a detector arrangement can be configured easily and inexpensively for different purposes.
- the invention also includes the use of a radiation-medical detector device according to the invention for measuring a radiation-medical radiation device, in particular for a dosimetric characterization and/or a constancy test, and/or for checking a radiation-therapeutic patient plan.
- the 1 shows a schematic front view of a detector arrangement 1 of a detector device according to the invention in the longitudinal direction.
- the detector arrangement 1 has a total of seven carriers 2, with four vertical carriers 3 and three horizontal carriers 4 being shown, which form a two-dimensional grid.
- the example shown here only serves to provide a clearer representation.
- a detector arrangement 1 can also have more supports in both orientations, for example six or more horizontal supports and five or more vertical supports.
- the number of carriers can depend on the dimensions and the desired accuracy.
- the position of the detector device is also not fixed, so that the terms vertical and horizontal are only used to explain the example shown and should not be understood as limiting to the actual position of the carrier. Accordingly, the carriers shown and referred to here as vertical can actually also be aligned horizontally or diagonally in a detector device. However, the crossed arrangement of the carriers is important.
- the vertical supports 3 and the horizontal supports 4 are crossed at a 90° angle to one another.
- another angle can also be selected.
- In 2 is one of the in 1 horizontal beam 4 shown in a plan view.
- the carrier 4 has an electronics area 5 at one end, in which, for example, control and/or evaluation electronics can be arranged.
- the carrier 4 has four insertion slots 6 which are arranged in the longitudinal direction and extend essentially from the electronics area 5 to the opposite end of the carrier 4 extend.
- the insertion slots are open at this opposite end, so that vertical supports 3 can be inserted here.
- a crossed arrangement of the carriers 2 is achieved in a simple manner.
- the detectors are arranged on the carrier outside the electronics area 5, but are not shown in this illustration.
- In 3 is one of the in 1 vertical support 3 shown in a plan view.
- the carrier 3 has an electronics area 5, the extent of which in the longitudinal direction essentially corresponds to the horizontal carrier 4 of the 2 is equivalent to.
- the vertical support 4 also has insertion slots 6 which, however, are open at the end of the support 4 with the electronics area 5 and extend essentially over the electronics area 5 in the longitudinal direction. As a result, an insertion slot 6 complementary to the horizontal support 4 is formed.
- the insertion slot 6 of the vertical support 3 overlaps the electronics area 5 of the horizontal support 4.
- the electronics areas 5 of the supports 3 and 4 are therefore directly adjacent. As a result, the electronic areas 5 can be contacted with one another in a simple manner. Plug connectors can be used for this purpose, for example.
- a further advantage of this arrangement results from the fact that all the electronics in the electronics areas 5 are arranged at one end of the detector device 1 . In this way it is easily possible to protect the electronics from the radiation, for example by arranging this electronics area 5 outside of a radiation area.
- the insertion slots of the carrier can also be symmetrical, that is to say have approximately the same length on the horizontal carrier 4 and the vertical carrier 3, or have other deviating length ratios.
- the 4 shows schematically a carrier 2 with a detector field 7. No insertion slots are shown in this illustration.
- the carrier 2 shown can be a vertical carrier 3 or a horizontal carrier 4, each of which Fig. 2 or 3 corresponding or other insertion slots 6 are to be provided.
- the detector field 7 has a plurality of detectors 8 which are arranged in a regular grid which is aligned along the two main axes 9 of the carrier.
- the detector field 7 has 17 detectors 8 in each case in the transverse direction and 31 detectors 8 in each case in the longitudinal direction, ie a total of 527.
- the detector field 7 accordingly has a very high number of detectors 8 . This is possible in particular because the control electronics required for this are arranged directly on the carrier 2 in the electronics area. It is particularly advantageous if the detectors 8 are arranged with a grid spacing of 5 mm from one another. This allows a high resolution of the measurement to be achieved, which means that the treatment of lesions with dimensions of around 10 mm can also be checked with sufficient accuracy.
- the figure 5 shows a section of a cross section of the carrier 2 of FIG 4 .
- the carrier 2 is designed as a multi-layer printed circuit board, so that electronic components, for example in the electronics area 5, and the detectors 8 can be arranged directly on the carriers 2.
- the detectors 8 are diodes, which are arranged directly on the carrier 2 without their own housing.
- the diodes are electrically contacted by wire bonding and possibly by a conductive paste on the underside of the diodes.
- the detectors 8 are encapsulated with a casting compound 10 .
- a filling material 11 is arranged between the detectors 8 so that the casting compound 10 does not have to be applied to the carrier 2 over the entire surface.
- the potting compound 10 and the filling material 11 form a flat surface.
- the width of the insertion slots 6 therefore essentially corresponds to the total thickness of the carrier 2 including the filling material 11.
- the 6 shows a first embodiment of a detector device 14 according to the invention with a regularly shaped phantom 12.
- the phantom 12 has a slot 13 into which, for example, a detector arrangement 1 with crossed supports 2 as described above can be inserted or inserted.
- the 7 shows a second embodiment of a detector device 14 according to the invention with a phantom 12, which is modeled on a human head.
- This phantom 12 also has a slot 13 for a detector arrangement.
- the phantoms 12 of the first and second embodiment have matching slots 13, so that a series of radiation medical detector devices 14 is formed with at least two variants, each of which forms a radiation medical detector device 14 according to the invention.
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Abstract
Strahlungsmedizinische Detektoreinrichtung (14), mit einer Detektoranordnung (1), die mehr als zwei Träger (2) aufweist, die miteinander gekreuzt angeordnet sind, und auf jedem Träger (2) ein Detektorfeld (7) angeordnet ist. (Fig. 1)Radiation medical detector device (14), with a detector arrangement (1) which has more than two carriers (2) which are arranged crossed with one another and a detector field (7) is arranged on each carrier (2). (Fig.1)
Description
Die Erfindung betrifft eine strahlungsmedizinische Detektoreinrichtung mit einer Detektoranordnung.The invention relates to a radiation medical detector device with a detector arrangement.
Detektoreinrichtungen mit Detektoranordnung sind im Stand der Technik grundsätzlich bekannt. Eine solche Detektoreinrichtung kann beispielsweise in einem Phantom zur Bestimmung oder Überprüfung einer Strahlungsdosis oder eines Patientenplans verwendet werden. Die Detektoreinrichtung kann aber auch zur Ausmessung, insbesondere zur symmetrischen Charakterisierung und/oder Konstanzprüfung, eines strahlentherapeutischen Strahlungsgeräts verwendet werden.Detector devices with a detector arrangement are known in principle in the prior art. Such a detector device can be used, for example, in a phantom to determine or check a radiation dose or a patient plan. However, the detector device can also be used for measuring, in particular for symmetrical characterization and/or constancy testing, of a radiotherapeutic radiation device.
Aufgabe der Erfindung ist es eine solche Detektoreinrichtung zu verbessern.The object of the invention is to improve such a detector device.
Diese Aufgabe wird durch eine Detektoreinrichtung mit den Merkmalen des Anspruch 1 gelöst.This object is achieved by a detector device having the features of
Die erfindungsgemäße Detektoreinrichtung ist dadurch gekennzeichnet, dass die Detektoranordnung mehr als zwei Träger aufweist, die miteinander gekreuzt angeordnet sind, und dass auf jedem Träger ein Detektorfeld angeordnet ist. Auf diese Weise kann eine Detektoranordnung mit vielen Detektoren einfach hergestellt werden. Darüber hinaus kann die Detektoranordnung einfacher für verschiedene Auflösungen und Abmessungen angepasst werden, etwa in dem die Anzahl der gekreuzt angeordneten Träger verändert wird.The detector device according to the invention is characterized in that the detector arrangement has more than two carriers which are arranged crossed with one another, and in that a detector field is arranged on each carrier. In this way, a detector array with many detectors can be easily manufactured. In addition, the detector arrangement can be more easily adapted for different resolutions and dimensions, for example by changing the number of carriers arranged crossed.
In einer Ausführung sind die Detektoren der Detektorfelder zur Bestimmung der Strahlungsdosis einer ionisierenden Strahlung, vorzugsweise Röntgenstrahlung, ausgebildet.In one embodiment, the detectors of the detector fields are designed to determine the radiation dose of an ionizing radiation, preferably X-ray radiation.
In einer Ausführung weisen die Träger jeweils Leiterplatten auf. Auf diese Weise ist eine elektrische Kontaktierung einfach durchführbar. Insbesondere kann der Träger durch die Leiterplatte gebildet sein.In one embodiment, the carriers each have printed circuit boards. Electrical contacting can be carried out easily in this way. In particular, the carrier can be formed by the printed circuit board.
In einer Ausführung durchdringen sich gekreuzte Träger gegenseitig und/oder definieren sich kreuzende Träger einen übereinstimmenden Detektionsbereich.In one embodiment, crossed carriers interpenetrate and/or crossed carriers define a coincident detection area.
In einer Ausführung sind die gekreuzten Träger miteinander verklebt und/oder steckverbunden und/oder einstückig ausgebildet.In one embodiment, the crossed supports are glued and/or plug-connected to one another and/or formed in one piece.
In einer Ausführung weisen die Träger einen vorzugsweise einseitig offenen Einschubschlitz auf, in den ein anderer Träger der mehr als zwei Träger eingesteckt ist, insbesondere mit einem oder seinem Einschubschlitz.In one embodiment, the carriers have an insertion slot, which is preferably open on one side, into which another carrier with more than two carriers is inserted, in particular with one or its insertion slot.
Insbesondere vorteilhaft kann es sein, wenn die Träger längs zum aufnehmenden Träger, also längs zur Achse, ineinandergesteckt sind. Auf diese Weise kann einfach erreicht werden, dass die Elektronik an einem gemeinsamen Ende der Detektoranordnung angeordnet ist.It can be particularly advantageous if the carriers are plugged into one another lengthwise to the receiving carrier, that is to say lengthwise to the axis. In this way it can easily be achieved that the electronics are arranged at a common end of the detector arrangement.
In einer Ausführung ist auf einem Träger ein mechanischer und/oder elektrischer Steckplatz ausgebildet, in den ein anderer Träger, vorzugsweise quer zum aufnehmenden Träger, eingesteckt ist. Auf diese Weise ist die Detektoranordnung einfach zusammenbaubar.In one embodiment, a mechanical and/or electrical slot is formed on a carrier, into which another carrier is inserted, preferably transversely to the receiving carrier. In this way, the detector arrangement is easy to assemble.
In einer Ausführung bilden die mehr als zwei Träger ein zweidimensionales Gitter, insbesondere aus zwei gekreuzten Scharen, vorzugsweise parallel zueinander ausgerichteten Trägern.In one embodiment, the more than two carriers form a two-dimensional grid, in particular of two crossed groups of carriers, preferably aligned parallel to one another.
In einer vorteilhaften Ausführung besitzen Träger einer Ausrichtung des Gitters lange Schlitze, die im Wesentlichen über die gesamte Länge des Trägers ausgedehnt sind, wobei die Träger jeweils nur einen schmalen, ungeschlitzten Bereich aufweisen. Die gekreuzt angeordneten Träger besitzen nur kurze Schlitze, insbesondere sind die Schlitze an den ungeschlitzten Bereich der anderen Träger angepasst, so dass diese ineinander gesteckt werden können. Dies hat den Vorteil, dass die Verteilung der Detektoren auf den Trägern einfach zu gestalten ist.In an advantageous embodiment, carriers of one orientation of the lattice have long slits which extend essentially over the entire length of the carrier, with the carriers each having only a narrow, unslit region. The crossed carriers only have short slits; in particular, the slits are adapted to the unslit area of the other carriers, so that they can be plugged into one another. This has the advantage that the detectors can be easily distributed on the carriers.
Der ungeschlitzte Bereich liegt zudem an einem Ende der Detektoranordnung, so dass Elektronik, die in diesem Bereich auf den Trägern angeordnet ist, einfach vor Strahlung geschützt werden kann, ohne dass ein Totraum entsteht, aus dessen Richtung keine Strahlung gemessen werden kann.The unslit area is also at one end of the detector array so that electronics located on the carriers in this area can be easily shielded from radiation without creating a dead space from which direction no radiation can be measured.
In einer Ausführung kreuzen sich die wenigstens zwei Träger in einer Schnittlinie, insbesondere wobei die Schnittlinie längs einer Einschubrichtung des Einschubs ausgerichtet ist.In one embodiment, the at least two carriers intersect in a cutting line, in particular with the cutting line being aligned along an insertion direction of the slide-in unit.
In einer Ausführung sind die Träger an ihren zu der oder einer Einschubrichtung des Einschubs orientierten Stirnseite elektrisch kontaktiert.In one embodiment, the carriers are electrically contacted on their end face oriented towards the or a direction of insertion of the insert.
In einer Ausführung sind die Träger jeweils planar ausgebildet.In one embodiment, the carriers are each designed to be planar.
In einer Ausführung sind die Zwischenräume zwischen den Trägern mit einem Material befüllt oder befüllbar, insbesondere wobei das Material zwischen den Trägern auswechselbar ist. Auf diese Weise kann eine bestimmte Absorptionsrate eingestellt werden, beispielsweise eine, die dem menschlichen Körper ähnlich ist.In one embodiment, the gaps between the carriers are or can be filled with a material, in particular the material between the carriers being exchangeable. In this way, a specific absorption rate can be set, for example one that is similar to the human body.
In einer Ausführung ist die Detektoranordnung in einem Phantom angeordnet, vorzugsweise als, insbesondere gekapselter, Einschub.In one embodiment, the detector arrangement is arranged in a phantom, preferably as an in particular encapsulated insert.
In einer Ausführung ist das Phantom unregelmäßig geformt, insbesondere im Wesentlichen der Form eines menschlichen Kopfes nachgebildet oder angenähert ist.In one embodiment, the phantom is irregularly shaped, in particular essentially replicated or approximated to the shape of a human head.
In einer alternativen Ausführung ist das Phantom regelmäßig geformt, insbesondere wobei das Phantom als Rhombenkuboktaeder ausgebildet ist.In an alternative embodiment, the phantom has a regular shape, in particular the phantom being designed as a rhombicuboctahedron.
In einer Ausführung ist die Größe des Phantoms an die Größe eines menschlichen Kopfes angepasst.In one embodiment, the phantom is sized to match the size of a human head.
In einer Ausführung ist das Phantom in der Detektoreinrichtung raumfest angeordnet.In one embodiment, the phantom is spatially fixed in the detector device.
In einer Ausführung ist das Phantom nicht deformierbar ausgebildet.In one embodiment, the phantom is non-deformable.
In einer Ausführung besitzt das Phantom eine wasserähnliche Dichte und/oder einen wasserähnlichen Schwächungskoeffizienten.In one embodiment, the phantom has a water-like density and/or a water-like attenuation coefficient.
Die Erfindung umfasst auch eine Baureihe von strahlungsmedizinischen Detektoreinrichtungen, mit wenigstens zwei Varianten, die jeweils eine erfindungsgemäße strahlungsmedizinische Detektoreinrichtung bilden, wobei die wenigstens zwei Varianten unterschiedliche Außenkonturen aufweisen und die Detektoranordnungen als Einschub übereinstimmend ausgebildet sind. Auf diese Weise kann eine Detektoranordnung für verschiedene Einsatzzwecke einfach und kostengünstig konfiguriert werden.The invention also includes a series of medical radiation detector devices, with at least two variants, each of which forms a medical radiation detector device according to the invention, the at least two variants having different outer contours and the detector arrangements being designed as slide-in units. In this way, a detector arrangement can be configured easily and inexpensively for different purposes.
Die Erfindung umfasst auch die Verwendung einer erfindungsgemäßen strahlungsmedizinischen Detektoreinrichtung zur Ausmessung eines strahlungsmedizinischen Strahlungsgeräts, insbesondere für eine dosimetrische Charakterisierung und/oder eine Konstanzprüfung, und/oder zur Überprüfung eines strahlungstherapeutischen Patientenplans.The invention also includes the use of a radiation-medical detector device according to the invention for measuring a radiation-medical radiation device, in particular for a dosimetric characterization and/or a constancy test, and/or for checking a radiation-therapeutic patient plan.
Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele mit Bezug auf die beiliegenden Zeichnungen näher erläutert.The invention is explained in more detail below using preferred exemplary embodiments with reference to the accompanying drawings.
Es zeigt:
- Fig. 1:
- eine Frontansicht einer Detektoranordnung einer erfindungsgemäßen Detektoreinrichtung mit gekreuzt angeordneten Trägern,
- Fig. 2:
- einen Träger mit langen Schlitzen, wie er in der
Fig. 1 horizontal angeordnet ist, - Fig. 3:
- einen Träger mit kurzen Schlitzen, wie er in der
Fig. 1 vertikal angeordnet ist, - Fig. 4:
- einen Träger mit dargestellten Detektoren,
- Fig. 5:
- einen Querschnitt durch einen Träger mit Detektoren,
- Fig. 6:
- eine erfindungsgemäße Detektoreinrichtung mit einem regelmäßig geformten Phantom mit einem Einschub mit einer Detektoranordnung und
- Fig. 7:
- eine erfindungsgemäße Detektoreinrichtung mit einem unregelmäßig geformten Phantom mit einem Einschub mit einer Detektoranordnung.
- Figure 1:
- a front view of a detector arrangement of a detector device according to the invention with crossed carriers,
- Figure 2:
- a strap with long slits, as in the
1 is arranged horizontally, - Figure 3:
- a carrier with short slits, as in the
1 is arranged vertically, - Figure 4:
- a carrier with illustrated detectors,
- Figure 5:
- a cross section through a carrier with detectors,
- Figure 6:
- a detector device according to the invention with a regularly shaped phantom with an insert with a detector arrangement and
- Figure 7:
- a detector device according to the invention with an irregularly shaped phantom with an insert with a detector arrangement.
Die
Im Beispiel sind die vertikalen Träger 3 und die horizontalen Träger 4 in einem 90° Winkel zueinander gekreuzt. Es kann jedoch auch ein anderer Winkel gewählt werden.In the example, the vertical supports 3 and the horizontal supports 4 are crossed at a 90° angle to one another. However, another angle can also be selected.
In
Der Träger 4 weist an einem Ende einen Elektronikbereich 5 auf, in dem beispielsweise Ansteuer- und/oder Auswerteelektronik angeordnet sein kann.The carrier 4 has an
Der Träger 4 weist im Beispiel vier Einschubschlitze 6 auf, die in Längsrichtung angeordnet sind und sich im Wesentlichen von dem Elektronikbereich 5 bis zum gegenüberliegenden Ende des Trägers 4 erstrecken. Die Einschubschlitze sind an diesem gegenüberliegenden Ende offen, so dass hier vertikale Träger 3 eingeschoben werden können. Dadurch wir auf einfache Weise eine gekreuzte Anordnung der Träger 2 erreicht.In the example, the carrier 4 has four
Die Detektoren sind auf dem Träger außerhalb des Elektronikbereichs 5 angeordnet, in dieser Darstellung jedoch nicht gezeigt.The detectors are arranged on the carrier outside the
In
Der Träger 3 besitzt einen Elektronikbereich 5, dessen Ausdehnung in Längsrichtung im Wesentlichen dem horizontalen Träger 4 der
Ein weiterer Vorteil dieser Anordnung ergibt sich daraus, dass sämtliche Elektronik in den Elektronikbereichen 5 an einem Ende der Detektoreinrichtung 1 angeordnet ist. Auf diese Weise ist es einfach möglich, die Elektronik vor der Strahlung zu schützen, beispielsweise in dem dieser Elektronikbereich 5 außerhalb eines Strahlungsbereichs angeordnet wird.A further advantage of this arrangement results from the fact that all the electronics in the
Abweichend von den hier gezeigten Ausführungen können die Einschubschlitze der Träger auch symmetrisch, also auf den horizontalen Träger 4 und den vertikalen Trägern 3 etwa gleich lang sein, oder andere abweichende Längenverhältnisse aufweisen.Deviating from the embodiments shown here, the insertion slots of the carrier can also be symmetrical, that is to say have approximately the same length on the horizontal carrier 4 and the vertical carrier 3, or have other deviating length ratios.
Die
Das Detektorfeld 7 weist mehrere Detektoren 8 auf, die in einem regelmäßigen Raster angeordnet sind, das entlang der beiden Hauptachsen 9 des Trägers ausgerichtet ist. Im Beispiel weist das Detektorfeld 7 in Querrichtung jeweils 17 Detektoren 8 und in Längsrichtung jeweils 31 Detektoren 8 auf, insgesamt also 527. Das Detektorfeld 7 weist demnach eine sehr hohe Anzahl an Detektoren 8 auf. Dies ist insbesondere dadurch möglich, dass die dafür notwendige Ansteuerelektronik in dem Elektronikbereich direkt auf dem Träger 2 angeordnet ist. Insbesondere vorteilhaft ist es, wenn die Detektoren 8 mit einem Rasterabstand von 5 mm zueinander angeordnet sind. Dadurch kann eine hohe Auflösung der Messung erreicht werden, wodurch auch die Behandlung von Läsionen mit Abmessungen um 10 mm hinreichend genau überprüft werden können.The
Die
Die Detektoren 8 sind im Beispiel Dioden, die ohne eigenes Gehäuse direkt auf dem Träger 2 angeordnet sind. Die elektrische Kontaktierung der Dioden erfolgt dabei durch Drahtbonden und eventuell durch eine Leitpaste an der Unterseite der Dioden. Um die empfindlichen Bonddrähte zu schützen, sind die Detektoren 8 mit einer Vergussmasse 10 umgossen. Zwischen den Detektoren 8 ist ein Füllmaterial 11 angeordnet, so dass die Vergussmasse 10 nicht vollflächig auf dem Träger 2 angewandt werden muss. Die Vergussmasse 10 und das Füllmaterial 11 bilden eine ebene Oberfläche.In the example, the
Die Breite der Einschubschlitze 6 entspricht daher im Wesentlichen der Gesamtdicke der Träger 2 inklusive dem Füllmaterial 11.The width of the
Die
Die
Besonders vorteilhaft ist es, wenn die Phantome 12 der ersten und zweiten Ausführung übereinstimmende Einschübe 13 besitzen, so dass dadurch eine Baureihe von strahlungsmedizinischen Detektoreinrichtungen 14 mit wenigstens zwei Varianten gebildet ist, die jeweils eine erfindungsgemäße strahlungsmedizinische Detektoreinrichtung 14 bilden.It is particularly advantageous if the
- 11
- Detektoranordnungdetector array
- 22
- Trägercarrier
- 33
- vertikaler Trägervertical support
- 44
- horizontaler Trägerhorizontal beam
- 55
- Elektronikbereichelectronics area
- 66
- Einschubschlitzslot
- 77
- Detektorfelddetector field
- 88th
- Detektordetector
- 99
- Hauptachsemain axis
- 1010
- Vergussmassepotting compound
- 1111
- Füllmaterialfilling material
- 1212
- Phantomphantom
- 1313
- Einschubinset
- 1414
- Detektoreinrichtungdetector device
Claims (20)
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DE102021103927.4A DE102021103927A1 (en) | 2021-02-18 | 2021-02-18 | Radiation medical detector device |
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EP4047397A1 true EP4047397A1 (en) | 2022-08-24 |
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EP22155698.8A Pending EP4047397A1 (en) | 2021-02-18 | 2022-02-08 | Radiology detection device |
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US (1) | US20220260729A1 (en) |
EP (1) | EP4047397A1 (en) |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140306117A1 (en) * | 2011-08-25 | 2014-10-16 | Isis Innovation Limited | Apparatus and method for radiation detection |
US9618630B2 (en) * | 2015-09-02 | 2017-04-11 | Jefferson Science Associates, Llc | Radiation detector based on a matrix of crossed wavelength-shifting fibers |
US20170120076A1 (en) * | 2014-06-09 | 2017-05-04 | University Of Lincoln | Assembly, Apparatus, System and Method |
IT201800003885A1 (en) * | 2018-03-22 | 2019-09-22 | Milano Politecnico | ACTIVE SPECTROMETER FOR NEUTRONS |
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US9000382B2 (en) * | 2008-11-18 | 2015-04-07 | Koninklijke Philips N.V. | Spectral imaging detector |
US10365383B2 (en) * | 2016-09-09 | 2019-07-30 | Minnesota Imaging And Engineering Llc | Structured detectors and detector systems for radiation imaging |
GB2596575B (en) * | 2020-07-01 | 2023-04-19 | Elekta ltd | An imaging system for a radiotherapy device |
-
2021
- 2021-02-18 DE DE102021103927.4A patent/DE102021103927A1/en active Pending
-
2022
- 2022-02-08 EP EP22155698.8A patent/EP4047397A1/en active Pending
- 2022-02-10 US US17/668,866 patent/US20220260729A1/en active Pending
- 2022-02-15 CN CN202210135803.2A patent/CN114966808A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140306117A1 (en) * | 2011-08-25 | 2014-10-16 | Isis Innovation Limited | Apparatus and method for radiation detection |
US20170120076A1 (en) * | 2014-06-09 | 2017-05-04 | University Of Lincoln | Assembly, Apparatus, System and Method |
US9618630B2 (en) * | 2015-09-02 | 2017-04-11 | Jefferson Science Associates, Llc | Radiation detector based on a matrix of crossed wavelength-shifting fibers |
IT201800003885A1 (en) * | 2018-03-22 | 2019-09-22 | Milano Politecnico | ACTIVE SPECTROMETER FOR NEUTRONS |
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